- 17 -
The menu SWEEP
A touch on the icon “
SWEEP
“ opens the screen to start the broad band frequency sw ing “SWEEP“.
SWEEP can be used to sw ing through a broad band of frequencies betw een a low er limit “ Fmin” an d an upper
limit “Fmax” for a limited time (standard 20 minutes).
The step size “DELTA F” f rom value to value is defined automatically. “Fmin” and “Fmax” can be set by
touching the icons
Fmin
and
Fmax
.
The signal form is “AUTO”, w hich means “SQUARE DC-OFFSET” through 65000 Hz and “SINE” above t hat
value.
The amplitude is as selected in menu “123”. If OSCA is set, the amplitude is set to 60%. To modify the
amplitude, OSCA must be turned off.
The red and blue marking on the right side of the screen indicates the output w hich has to be used.
Touch the button icon
START
to start the procedure. The output moves from “Fmin“ up to “Fmax“, turns
around to move back to “Fmin, and so on, until the time of 20 minutes is up. The activity is simultaneously
displayed on the screen.
A touch on the icon
STOP
stops the procedure at any point.
